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Why sheet steel with high silicon content is used in transformer core whereas lower silicon content sheet for rotating machine?
high permeability ,low hysterisis,increased resistivity
What is the most familiar semiconductor?
silicon and germanium
How does the permeability of soil and rocks affect the flow of groundwater?
Permeability is when water can pass through different types of soil and rocks. Therefore the permeability affects the soil and rocks because if the soil or rock is PERMEABLE then the groundwater can easily flow through it :)
What is Si transistor?
A silicon transistor is a transistor made of silicon.
How can man increase porosity and permeability in oil wells?
There is not feasible way to change the overall porosity and permeability in an oil field. However, it is possible in many cases to improve the porosity and permeability within the near wellbore region, where the change in pressure is the greatest. Injecting acid into a well, may slightlyincrease the porosity but sigmificantly improve the permeability, as it creates larger flow paths (also called worm holes) through the formation. Hydraulic fracturing will also stimulate a well, although the formation's permeability and porosity is unchanges. It makes it easier for oil to flow into the well, so its effect in the long run, is the same as if the near well bore region had higher permeability. Low permeability formations often produced by horizontal wells, which is similar to hydraulic fracturing- it is easier for the oil to flow to the well.
Why sheet steel with high silicon content is used in transformer core whereas lower silicon content sheet for rotating machine?
high permeability ,low hysterisis,increased resistivity
Why core is made up of silicon steel?
produces magnetic properties,such as small hysteresis area and permeability Hysteresis loss depends upon the material of the core
What is the ability of a cell membrane to allow material to pass through it called?
permeability
What feature of a membrane describes whether molecules can cross the membrane?
permeabiity
Does silt have high permeability?
Silt has neither high or low permeability. It has moderate permeability. :) !
What is the permeability of iron?
A stable, nonmagnetic austenitic alloy steel having extremely low magnetic permeability especially in the unannealed condition, and consisting essentially of, in percent by weight, carbon 0.35 to 0.45, manganese 14 to 16.5, phosphorus 0.05 max., sulfur 0.07 to 0.12, silicon 0.55 to 1.15, nickel 3.5 to 5.5, nitrogen 0.12 max., chromium, 0.50 max. and the balance iron and incidental impurities.
What is relative permeability of Mild steel angles or rails when used as busbars for EOT cranes?
Cast Iron 100 -150 Mild Steel 200 - 800 Silicon Iron 1000 - 5000 Cast Steel 300 - 900
Which of the following is a measure of a materials ability to transmit fluids through interconnected pore spaces capacity competence or permeability?
permeability
How does porosity and permeability interact?
The porosity directly correlates with the permeability because the permeability requires a certain level of porosity for a certain measure of it.
How freely water moves into and through soil or rock is called?
permeability
Potential sources of error in experiment permeability test falling head method?
1. The permeability results might be localized due to excavation. 2. Lateral permeability not considered which may lead to erroneous estimate of field permeability.
What are facts about permeability?
Permeability refers to the ability of a material to allow fluids or gases to pass through it. It is influenced by factors such as the size of the pores in the material, the composition of the material, and the pressure applied. Permeability is an important property in various fields such as geology, engineering, and biology.
